#vis-box {
    width: 100%;
    height: 100%;
    overflow: scroll;
    background-color: #dbd8d8;
    overflow-x: hidden;
}
#vis-box .box-top {
    width: 100%;
    height: 60%;
    display: flex; /*使子类div一行显示*/
}

#vis-box .box-center-one {
    width: 100%;
    height: 60%;
    display: flex; /*使子类div一行显示*/
}
#vis-box .box-center-two {
    width: 100%;
    height: 60%;
    display: flex; /*使子类div一行显示*/
}
#vis-box .box-bottom {
    width: 100%;
    height: 60%;
    display: flex; /*使子类div一行显示*/
}
#vis-box .box-div1 {
    width: 49%;
    height: 99%;
    margin: 5px auto;
    background-color: white;
}
#vis-box .box-div2 {
    width: 49%;
    height: 99%;
    margin: 5px auto;
    background-color: white;
}